From patchwork Wed Nov 28 09:58:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10702233 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4C14A17D5 for ; Wed, 28 Nov 2018 09:59:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B1912C329 for ; Wed, 28 Nov 2018 09:59:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2F0292CF15; Wed, 28 Nov 2018 09:59:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC0A92C32C for ; 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Wed, 28 Nov 2018 09:58:51 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd%2]) with mapi id 15.20.1361.019; Wed, 28 Nov 2018 09:58:51 +0000 From: Anson Huang To: "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "shawnguo@kernel.org" , "LW@KARO-electronics.de" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" CC: dl-linux-imx Subject: [PATCH V3 1/4] dt-bindings: thermal: add binding doc for i.MX system controller thermal driver Thread-Topic: [PATCH V3 1/4] dt-bindings: thermal: add binding doc for i.MX system controller thermal driver Thread-Index: AQHUhwD3+gQaPu5dSUi2n1eGdQLGjg== Date: Wed, 28 Nov 2018 09:58:51 +0000 Message-ID: <1543398783-3185-2-git-send-email-Anson.Huang@nxp.com> References: <1543398783-3185-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1543398783-3185-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0192.apcprd02.prod.outlook.com (2603:1096:201:21::28) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: TkcUPpXUHFyxLmHHJgKuqV6UJoGSurgvvCshWnMND6xBfzV9lErZmNkXP0WBM7ccM145Em2LuLIJMsbQs4zXWh9rBrerNHkzYH9xB9cIGdIN9GP5FfAvVBLgB3jhOLmO4pjLOSm6e6x08GyXmDtd6IjV6FuNVwduQMZoSWZ9KdDjFL+22iCymmADAbcVJ1fHDYgcFam5il/aNP4z+8wuwa9twomk2aHwPyUzTLziwaxbtXj3X5oBNf5Od9NrYyA7Dir6RJTuDCA76uLFKs/+MYl8UW86F/iekPNL8iZq+BqCQQefykfAGChYkey6m6uFKNUgNvnGENUPGmVQ7AMkm75DibL+h62Y7gOM+zhYw2g= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: cf71814f-0d82-46b5-e7ea-08d655181976 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Nov 2018 09:58:51.7115 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3659 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as system controller, the system controller is in charge of system power, clock and thermal sensors etc. management, Linux kernel has to communicate with system controller via MU (message unit) IPC to get temperature from thermal sensors, this patch adds binding doc for i.MX system controller thermal driver. Signed-off-by: Anson Huang --- no change since V2. .../devicetree/bindings/thermal/imx-sc-thermal.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt b/Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt new file mode 100644 index 0000000..2f5b0a2 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt @@ -0,0 +1,33 @@ +* Temperature Monitor (TEMPMON) on NXP i.MX SoCs with System Controller + +Required properties: +- compatible : Must be "nxp,imx8qxp-sc-thermal"; +- tsens-num : Total number of thermal sensors supported; +- #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description. + +Example: +tsens: thermal-sensor { + compatible = "nxp,imx8qxp-sc-thermal"; + tsens-num = <1>; + #thermal-sensor-cells = <1>; +}; + +thermal_zones: thermal-zones { + cpu-thermal0 { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tsens 355>; + trips { + cpu_alert0: trip0 { + temperature = <107000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit0: trip1 { + temperature = <127000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; +}; From patchwork Wed Nov 28 09:58:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10702227 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AAE9B15A8 for ; Wed, 28 Nov 2018 09:59:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9917B2C329 for ; 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a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ny4gD2bItitbvK0gNFeU2pF7f2GiTqp+hs00Vw7T7zA=; b=vW7xAkwMJw+FiUmEjXc96zjqAqXAqyJ7Y4AgDin3L+Hv8gROPHThAnP0ZwFjfkYiJ993vwThb4Db2mb3UiOX7KSL5LCpQcPqnA0EcQjW9nExitahnnSmKKctrCk5737bV+PvzHv37JtTWvDEPaKNT5uaD5RwfCQ1wy/879cBHHQ= Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com (52.134.72.18) by DB3PR0402MB3659.eurprd04.prod.outlook.com (52.134.66.160) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1294.26; Wed, 28 Nov 2018 09:59:00 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd%2]) with mapi id 15.20.1361.019; Wed, 28 Nov 2018 09:59:00 +0000 From: Anson Huang To: "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "shawnguo@kernel.org" , "LW@KARO-electronics.de" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" CC: dl-linux-imx Subject: [PATCH V3 2/4] thermal: imx_sc: add i.MX system controller thermal support Thread-Topic: [PATCH V3 2/4] thermal: imx_sc: add i.MX system controller thermal support Thread-Index: AQHUhwD8MDZi/qm6rk+W44xBcCvAIA== Date: Wed, 28 Nov 2018 09:58:59 +0000 Message-ID: <1543398783-3185-3-git-send-email-Anson.Huang@nxp.com> References: <1543398783-3185-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1543398783-3185-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0192.apcprd02.prod.outlook.com (2603:1096:201:21::28) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: 2FWHNdoBhV0q1RHEv4aX6BBRrMSo4Vw4hE3bu0O9GxjDAWHAXSfjQeiArxgHC8XgJZ4tw+McztPPN7KBqwmoJusY2dAEBCZfYkSQp9yClfZAiXKe+W0YBsXqJTtFWvHVjl6fAfxVOGSDwgmAUzVqCh8J+1v9FaXzZeeatOpgXFhlrZ/Hge5O+oal3vUm5hKby9cQHx4hggvg3CzkTg9v/fZko5yzb+odGxGP7kzBCKvMxGkc7wa4UgKzA6q3mpylrjJMgMbv3JMcvWY6vFJzQVXj7bRPKhc/3EFAGYcT7bO2/0XS5OXwg3rYymeU8v+sndfjzY1/2hs25ItCbA+Rczt9ZWYACw4Y/0+nR6j7AUc= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b8281212-3762-41fb-9d5c-08d655181e5a X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Nov 2018 09:58:59.9459 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3659 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP i.MX8QXP is an ARMv8 SoC which has a Cortex-M4 system controller inside, the system controller is in charge of controlling power, clock and thermal sensors etc.. This patch adds i.MX system controller thermal driver support, Linux kernel has to communicate with system controller via MU (message unit) IPC to get each thermal sensor's temperature, it supports multiple sensors which are passed from device tree, please see the binding doc for details. Signed-off-by: Anson Huang --- changes since V2: - make thermal_ipc_handle static; - correct return value for thermal zone register fail; - remove comma in the end of last entry of imx_sc_thermal_table. drivers/thermal/Kconfig | 11 +++ drivers/thermal/Makefile | 1 + drivers/thermal/imx_sc_thermal.c | 201 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 213 insertions(+) create mode 100644 drivers/thermal/imx_sc_thermal.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 0e69edc..84e850c 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -222,6 +222,17 @@ config IMX_THERMAL cpufreq is used as the cooling device to throttle CPUs when the passive trip is crossed. +config IMX_SC_THERMAL + tristate "Temperature sensor driver for NXP i.MX SoCs with System Controller" + depends on ARCH_MXC || COMPILE_TEST + depends on OF + help + Support for Temperature Monitor (TEMPMON) found on NXP i.MX SoCs with + system controller inside, Linux kernel has to communicate with system + controller via MU (message unit) IPC to get temperature from thermal + sensor. It supports one critical trip point and one + passive trip point for each thermal sensor. + config MAX77620_THERMAL tristate "Temperature sensor driver for Maxim MAX77620 PMIC" depends on MFD_MAX77620 diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 610344e..1b13f6a 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_DB8500_THERMAL) += db8500_thermal.o obj-$(CONFIG_ARMADA_THERMAL) += armada_thermal.o obj-$(CONFIG_TANGO_THERMAL) += tango_thermal.o obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o +obj-$(CONFIG_IMX_SC_THERMAL) += imx_sc_thermal.o obj-$(CONFIG_MAX77620_THERMAL) += max77620_thermal.o obj-$(CONFIG_QORIQ_THERMAL) += qoriq_thermal.o obj-$(CONFIG_DA9062_THERMAL) += da9062-thermal.o diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c new file mode 100644 index 0000000..07a2fd6 --- /dev/null +++ b/drivers/thermal/imx_sc_thermal.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "thermal_core.h" + +#define IMX_SC_MISC_FUNC_GET_TEMP 13 +#define IMX_SC_C_TEMP 0 + +static struct imx_sc_ipc *thermal_ipc_handle; + +struct imx_sc_sensor { + struct thermal_zone_device *tzd; + u32 resource_id; +}; + +struct imx_sc_thermal_data { + struct imx_sc_sensor *sensor; +}; + +struct imx_sc_msg_req_misc_get_temp { + struct imx_sc_rpc_msg hdr; + u16 resource_id; + u8 type; +} __packed; + +struct imx_sc_msg_resp_misc_get_temp { + struct imx_sc_rpc_msg hdr; + u16 celsius; + u8 tenths; +} __packed; + +static int imx_sc_thermal_get_temp(void *data, int *temp) +{ + struct imx_sc_msg_resp_misc_get_temp *resp; + struct imx_sc_msg_req_misc_get_temp msg; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + struct imx_sc_sensor *sensor = data; + int ret; + + msg.resource_id = sensor->resource_id; + msg.type = IMX_SC_C_TEMP; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_MISC; + hdr->func = IMX_SC_MISC_FUNC_GET_TEMP; + hdr->size = 2; + + ret = imx_scu_call_rpc(thermal_ipc_handle, &msg, true); + if (ret) { + pr_err("read temp sensor %d failed, ret %d\n", + sensor->resource_id, ret); + return ret; + } + + resp = (struct imx_sc_msg_resp_misc_get_temp *)&msg; + *temp = resp->celsius * 1000 + resp->tenths * 100; + + return 0; +} + +static const struct thermal_zone_of_device_ops imx_sc_thermal_ops = { + .get_temp = imx_sc_thermal_get_temp, +}; + +static int imx_sc_thermal_register_sensor(struct platform_device *pdev, + struct imx_sc_sensor *sensor) +{ + struct thermal_zone_device *tzd; + + tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, + sensor->resource_id, + sensor, + &imx_sc_thermal_ops); + if (IS_ERR(tzd)) { + dev_err(&pdev->dev, "failed to register sensor: %d\n", + sensor->resource_id); + return PTR_ERR(tzd); + } + + sensor->tzd = tzd; + + return 0; +} + +static int imx_sc_thermal_get_sensor_id(struct device_node *sensor_np, u32 *id) +{ + struct of_phandle_args sensor_specs; + int ret; + + ret = of_parse_phandle_with_args(sensor_np, "thermal-sensors", + "#thermal-sensor-cells", + 0, &sensor_specs); + if (ret) + return ret; + + if (sensor_specs.args_count >= 1) { + *id = sensor_specs.args[0]; + WARN(sensor_specs.args_count > 1, + "%pOFn: too many cells in sensor specifier %d\n", + sensor_specs.np, sensor_specs.args_count); + } else { + return -EINVAL; + } + + return 0; +} + +static int imx_sc_thermal_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct device_node *sensor_np = NULL; + struct imx_sc_thermal_data *data; + struct imx_sc_sensor *sensors; + u32 sensor_num; + int ret, i; + + ret = imx_scu_get_handle(&thermal_ipc_handle); + if (ret) { + if (ret == -EPROBE_DEFER) + return ret; + + dev_err(&pdev->dev, "failed to get ipc handle: %d!\n", ret); + return ret; + } + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + ret = of_property_read_u32(np, "tsens-num", &sensor_num); + if (ret || !sensor_num) { + dev_err(&pdev->dev, "failed to get valid temp sensor number!\n"); + return -EINVAL; + } + + sensors = devm_kzalloc(&pdev->dev, sizeof(*data->sensor) * sensor_num, + GFP_KERNEL); + if (!sensors) + return -ENOMEM; + + data->sensor = sensors; + + np = of_find_node_by_name(NULL, "thermal-zones"); + if (!np) + return -ENODEV; + + for (i = 0; i < sensor_num; i++) { + struct imx_sc_sensor *sensor = &data->sensor[i]; + + sensor_np = of_get_next_child(np, sensor_np); + ret = imx_sc_thermal_get_sensor_id(sensor_np, &sensor->resource_id); + if (ret < 0) { + dev_err(&pdev->dev, + "failed to get valid sensor resource id: %d\n", + ret); + break; + } + + ret = imx_sc_thermal_register_sensor(pdev, sensor); + if (ret) { + dev_err(&pdev->dev, "failed to register thermal sensor: %d\n", + ret); + break; + } + } + + of_node_put(np); + of_node_put(sensor_np); + + return ret; +} + +static const struct of_device_id imx_sc_thermal_table[] = { + { .compatible = "nxp,imx8qxp-sc-thermal", }, + {} +}; +MODULE_DEVICE_TABLE(of, imx_sc_thermal_table); + +static struct platform_driver imx_sc_thermal_driver = { + .probe = imx_sc_thermal_probe, + .driver = { + .name = "imx-sc-thermal", + .of_match_table = imx_sc_thermal_table, + }, +}; +module_platform_driver(imx_sc_thermal_driver); + +MODULE_AUTHOR("Anson Huang "); +MODULE_DESCRIPTION("Thermal driver for NXP i.MX SoCs with system controller"); +MODULE_LICENSE("GPL v2"); From patchwork Wed Nov 28 09:59:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10702225 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8845215A8 for ; Wed, 28 Nov 2018 09:59:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 789F62C329 for ; Wed, 28 Nov 2018 09:59:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6CB702C34D; Wed, 28 Nov 2018 09:59:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 001542C329 for ; 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Wed, 28 Nov 2018 09:59:08 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd%2]) with mapi id 15.20.1361.019; Wed, 28 Nov 2018 09:59:08 +0000 From: Anson Huang To: "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "shawnguo@kernel.org" , "LW@KARO-electronics.de" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" CC: dl-linux-imx Subject: [PATCH V3 3/4] defconfig: arm64: add i.MX system controller thermal support Thread-Topic: [PATCH V3 3/4] defconfig: arm64: add i.MX system controller thermal support Thread-Index: AQHUhwEAejWVy9TTxEeid7xSxHzHzg== Date: Wed, 28 Nov 2018 09:59:07 +0000 Message-ID: <1543398783-3185-4-git-send-email-Anson.Huang@nxp.com> References: <1543398783-3185-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1543398783-3185-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0192.apcprd02.prod.outlook.com (2603:1096:201:21::28) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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Signed-off-by: Anson Huang --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index abd80c5..9f12324 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -376,6 +376,7 @@ CONFIG_SENSORS_RASPBERRYPI_HWMON=m CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y CONFIG_THERMAL_EMULATION=y +CONFIG_IMX_SC_THERMAL=m CONFIG_ROCKCHIP_THERMAL=m CONFIG_RCAR_GEN3_THERMAL=y CONFIG_ARMADA_THERMAL=y From patchwork Wed Nov 28 09:59:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10702229 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0B26115A7 for ; Wed, 28 Nov 2018 09:59:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED1152C329 for ; 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Signed-off-by: Anson Huang --- no change since V2. arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index 5e8b554..ef57db6 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -9,6 +9,7 @@ #include #include #include +#include #include "imx8-ca35.dtsi" @@ -85,6 +86,32 @@ }; }; + tsens: thermal-sensor { + compatible = "nxp,imx8qxp-sc-thermal"; + tsens-num = <1>; + #thermal-sensor-cells = <1>; + }; + + thermal_zones: thermal-zones { + cpu-thermal0 { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tsens 355>; + trips { + cpu_alert0: trip0 { + temperature = <107000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit0: trip1 { + temperature = <127000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + adma_subsys: bus@59000000 { compatible = "simple-bus"; #address-cells = <1>;